000
00284nam a2200109Ia 4500
008
190428s9999||||xx |||||||||||||| ||und||
100
_a
Gupta, R.K.
_9
20866
245
_a
Special functions
250
_a
Nineteenth
250
_b
1996. viii-208
260
_b
Krishna prakashan. Meerut, India
999
_c
20616
_d
20616